Phlebotomy and Blood Testing Quiz

Which of the following needles has the smallest diameter?

• 23-gauge

• 20-gauge

• 16-gauge

What is the longest amount of time that a tourniquet should be left on a patient's arm during venipuncture?

• 20 seconds

• 1/2 minute

• 1 minute

• 3 minutes

What is the purpose of measuring erythrocyte sedimentation rate?

• To determine the degree of inflammation in the body

• To determine blood type

• To determine the weight of the blood

Where is the most common site for venipuncture?

• Inner arm

• Back of hand

• Wrist

• Back of leg

What is the most common method for drawing venous blood?

• Butterfly needle

• Syringe

• Vacuum tube

In a blood glucose test, why is the first drop of blood not collected?

• Because it contains sweat and tissue fluids

• Because it contains microorganisms

• Because it has been contaminated by the lancet

Which type of glucose testing is often used to diagnose diabetes?

• Fasting blood sugar test

• Glycohemoglobin test

• Glucose tolerance test

After a blood glucose test, what happens to the testing strip?

• It is given to the patient.

• It is sent to the lab for evaluation.

• It is stored with the patient's records.

• It is disposed in a biohazard waste container.

Which type of diabetes results when the pancreas produces insulin, but not enough to meet the needs of the body?

• Type 1

• Type 2

• All of the above

Which of the following is NOT true about PKU tests?

• It is important to keep the infant warm during a PKU test.

• PKU tests are required in most states.

• The PKU form requires that all circles on the form be soaked with blood.

• Puncture the center of the infant's heel.